Adirondack gneiss included in Laurentian, Adirondack region, northeastern New York.
Source: US geologic names lexicon (USGS Bull. 896, p. 14).
Merrill, F.J.H., 1901, Geologic map of New York: New York State Museum, scale 1:319,000
Adirondack gneiss (gneisses including granites). [Mapped over large part of Adirondack region. The block is placed beneath the Grenville blocks and according to later mapping the rocks are chiefly of igneous origin.]
Source: US geologic names lexicon (USGS Bull. 896, p. 11).
Pg. 82. Adirondack gneiss. [See 1930 entry under Adirondack anorthosyte.]
Source: US geologic names lexicon (USGS Bull. 896, p. 11).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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